EXERCICE (1)
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Lesson overview
This lesson brings together the PDF, study notes and chapter flow so you can revise Assessment 2 - Devoirs 1er semestre without losing the thread.
EXERCICE (1)
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EXERCICE (2)
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EXERCICE (3)
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EXERCICE (4)
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EXERCICE (5)
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Property 1
2017-2018 DEVOIR N°1 1ÈRE BAC SM EXERCICE (1) On considère les propositions suivantes ( ) ( ) 1 " :
Property 2
1 1 2 P a b a et b a b ∀ ∈ ∀ ∈ ≠ ≠ ⇒ + ≠ R R 1) donner la négation des propositions 1 2 3 , P P et P 4 pts 2) donner la contraposée de l’implication définie dans la proposition 3 P 1 pt 3) quelle est la valeur de vérité de la proposition 3 P ?
( ) ( ) 1 " : 2 3 " P x y x y ∀ ∈ ∃ ∈ + > R R
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∃ ∈ − < ≤
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( ) ( ) ( ) ( ) 3 " : 1 1 2 P a b a et b a b ∀ ∈ ∀ ∈ ≠ ≠ ⇒ + ≠
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On pose , 2 I = − ∞ −
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∀ ∈ ∀ ∈ ≠ ⇒ ≠
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∀ ∈ × = + − ∑ N 2 pts
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∀ ∈ = + −
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What to work through
1 exercise(s) found across 1 page(s), with no solutions included.
Lesson objective
Master "Assessment 2 - Devoirs 1er semestre" in Devoirs 1er semestre (Mathematics) and use it in exercises.
Quick method
Start with definitions, learn formulas/processes, redo one example, then solve one exercise without the correction.